Finding the Fourth Proportional to 803,606,408.24, 1,108,726,651.69 and 464,391,303.96
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Solution
The fourth proportional to 803,606,408.24, 1,108,726,651.69 and 464,391,303.96 is: 640,715,417.69
Step by Step Solution
- Step 1: Write the proportion equation
803,606,408.24 : 1,108,726,651.69 = 464,391,303.96 : x - Step 2: Convert to fraction form
803,606,408.24/1,108,726,651.69 = 464,391,303.96/x - Step 3: Cross multiply
803,606,408.24x = 1,108,726,651.69 × 464,391,303.96 - Step 4: Simplify right side
803,606,408.24x = 514,883,015,513,523,840 - Step 5: Solve for x
x = 514,883,015,513,523,840/803,606,408.24 - Step 6: Final answer
x = 640,715,417.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.